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Victoria GillScience correspondent, BBC News Getty Images Scientists have for the first time located the “mileage clock” inside a brain – by recording the brain activity of running rats. Letting them loose inside a small, rat-sized arena, the researchers recorded from a part of their brains that is known to be important in navigation and…

Two healthcare workers get COVID-19 vaccinations on the same day. Both show strong antibody responses initially, but six months later one stays healthy while the other contracts the virus. A new study published in Science Translational Medicine could help explain this difference. Researchers tracked individuals’ antibody levels after vaccinations and identified four distinct patterns of…

Nitazenes — a class of highly potent synthetic opioids — are rapidly emerging as a major contributor to the overdose crisis, according to a Pain Medicine review published on Sept 14 by authors from Vanderbilt University Medical Center and the University of Pittsburgh Medical Center. Originally developed in the 1950s but never approved for clinical use,…

Genes are the building blocks of life, and the genetic code provides the instructions for the complex processes that make organisms function. But how and why did it come to be the way it is? A recent study from the University of Illinois Urbana-Champaign sheds new light on the origin and evolution of the genetic…

The Dead Sea is a confluence of extraordinary conditions: the lowest point on the Earth’s surface, with one of the world’s highest salinities. The high concentration of salt gives it a correspondingly high density, and the water body’s status as the deepest hypersaline lake gives rise to interesting and often temperature-related phenomena below the water’s…

All the critical minerals the U.S. needs annually for energy, defense and technology applications are already being mined at existing U.S. facilities, according to a new analysis published recently in the journal Science. The catch? These minerals, such as cobalt, lithium, gallium and rare earth elements like neodymium and yttrium, are currently being discarded as tailings…